1.switch off 关闭
例句:The boys started to switch off after the first speech.
孩子们听完第一个人发言后就开始心不在焉了。
2.road trip n.通过乘/驾车在公路上进行旅行的方式
例句:The coach said his club had wire-tapped the hotel room of a player during a road trip.
教练说他的俱乐部曾经窃听了一名开车旅行的运动员所住宾馆房间的电话
3.appear to 似乎，好像
例句:By all accounts, Rodger would appear to be a fine fellow.
据说，罗杰是个好小伙。
4.refer to 涉及；指的是
例句:By way of illustration I'll refer to the behavior of rabbits.
我将举例说明兔子的行为。
